- A soft and pale yellow metallic chemical element whose atomic number is 38. It is an alkaline-earth metal, is extremely reactive, and has around 30 known isotopes, of which 4 are stable. It is used, for instance, as a getter in vacuum tubes, and in nuclear batteries. Its chemical symbol is Sr.
- chemical symbolSr
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Origin & History of “strontium”
The element strontium gets its name from the Strontian area of the Highland region of Scotland, which contains lead mines in which strontium was first discovered. Indeed, it was originally called strontian; the latinized version strontium was introduced by the chemist Sir Humphry Davy in 1808.